CN1613603A - Flexible protective cover apparatus of cutter - Google Patents
Flexible protective cover apparatus of cutter Download PDFInfo
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- CN1613603A CN1613603A CN 200310108424 CN200310108424A CN1613603A CN 1613603 A CN1613603 A CN 1613603A CN 200310108424 CN200310108424 CN 200310108424 CN 200310108424 A CN200310108424 A CN 200310108424A CN 1613603 A CN1613603 A CN 1613603A
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- blade guard
- flexible blade
- fixed
- gear
- guard device
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Abstract
A movable guard cap for cutting machine is disclosed, which can be oppositely matched with a fixed guard cap is rotary mode. Its rotary connection position has a gear engaged with the rack bar on the upper part of a rotary pull rod fixed to the side of fixed guard cap. An open slot made on the lower end of said pull rod is matched with the locating pin on rockerarm. Its advantages are simple structure and smooth movement.
Description
Technical field
The present invention relates to the flexible blade guard device technique field of cutting machine.
Background technology
Along with the development of building material industry, electric slicer is widely used for cutting various metal tube material, angle steel, channel-section steel and various stone lumber in the electric tool, so electric slicer exists huge market, therefore has scientific and technical personnel to develop various electric slicers.Traditional electric slicer does not have flexible blade guard, so there are some unsafe hidden danger, the someone designs the electric slicer of band flexible blade guard for this reason.It as the patent No. 02266104.2 Chinese patent " the flexible blade guard structure of electric slicer ", it includes an end and is movably articulated in fixed cover on the rocking arm, fixed cover lower openings coaxial core is fixed with flexible blade guard versatilely, be connected with linkage between flexible blade guard and the rocking arm end, it is characterized in that linkage is that short connecting rod one end and rocking arm end are movably hinged, the other end and connecting rod are movably hinged, and the other end of connecting rod and flexible blade guard are movably hinged, wherein the connecting rod middle part has the track groove, the track groove cooperates activity with the alignment pin of fixed cover inboard, this has also represented a kind of mentality of designing that adopts the folding of linkage control flexible blade guard, though it is simple in structure, low cost of manufacture, implement easily, but use in reality and to show and also have some a fly in the ointment, can't overcome, as the requirement of the processing of connecting rod and track groove and assembling than higher, some mismachining tolerances or alignment error are arranged a little, cause the dead point easily, it is dumb that linkage is controlled, not smooth, even it is stuck, cause easily and cause security incident in the production, and these shortcomings are in case form, carry out self-correcting with regard to being difficult to by the way of regulating the installation site, so need us to develop new cutting machine flexible blade guard device, to overcome above-mentioned deficiency.
Summary of the invention
Technical problem to be solved by this invention is the flexible blade guard device that a kind of cutting machine is provided at existing background technology, it is simple in structure, install easily to produce and use, and can eliminate the error of production and processing by the installation site of suitable adjustment parts, make the flexible blade guard folding flexible, avoid taking place dead point, screens and phenomenon not in place, improved the security performance that cutting machine uses, safeguard also very convenient.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of flexible blade guard device of cutting machine, it includes fixed blade guard and flexible blade guard on the cutting head position that is fixed on cutting machine, flexible blade guard is from going up and the fixed blade guard relative bonding down, be rotatably connected on the fixed blade guard simultaneously, it is characterized in that described flexible blade guard is provided with gear at its rotatable connecting portion, sidepiece at fixed blade guard is fixedly connected with rotary pull bar simultaneously, the position, upper end of pull bar forms tooth bar, described rack and pinion meshes, the lower end of pull bar has open slot, and pegging graft with alignment pin on the rocking arm cooperates.
Useful improvement is, above-mentioned tooth bar is to adopt arc-shaped rack, and arc-shaped rack and gear are meshed, and it is laborsaving more flexibly that flexible blade guard is rotated.
Useful improvement is that above-mentioned flexible blade guard is coaxial the connection with fixed blade guard, location and installation during convenient production.
Very Tu Chu improvement is, above-mentioned tooth bar is made its uppermost tooth to cooperate with gear and is carried out spacing latch, make it in assembling production or use, tooth bar has arrived the self-screens of position energy of the limit, tooth bar is split away off, influence the operation of people's cuttings, improved the security of using.
Fairly perfect improvement is, above-mentioned open slot bottom is a circular arc, and it is laborsaving more flexibly that flexible blade guard is rotated.
Fairly perfect improvement is, above-mentioned flexible blade guard connects this gear in the inboard of its connecting portion, and be connected and fixed fixed head by inserts and stop nut, pad, fixed head is being fixed on the fixed cover by securing member, it had both made the flexible blade guard production and assembly get up to seem convenient, the position that is connected with a joggle that also is beneficial to simultaneously rack and pinion is adjusted easily, eliminates the processing and the alignment error of parts.
Can also improvedly be, above-mentioned flexible blade guard has the concavo-convex location structure that cooperates at its connecting portion and the contact-making surface of gear, described concavo-convex location structure is the ring section that adopts annular distribution, it can keep gear and flexible blade guard effectively is to rotate in concert, avoid skidding, and structure is very simple, production and assembly easily.
Very perfectly be, also be connected with back-moving spring between above-mentioned gear and the fixed head, it provides flexible blade guard automatically reset amount of elasticity, makes the flexible blade guard folding light and handy flexibly, has made things convenient for the user.
At last, above-mentioned flexible blade guard can adopt transparent flexible blade guard, makes things convenient for the user to observe.
Compared with prior art, the invention has the advantages that: the mechanism that the control flexible blade guard opens and closes adopts pull bar, tooth bar, the gear rotation actuation mechanism that parts such as gear are formed, its reasonable in design is simple, and the processing and the installation accuracy of each parts have been reduced, be exactly some errors, can eliminate by the initial engagement position of regulating rack and pinion, making flexible blade guard be easy to regulate puts in place, there is not dead unit problem in its this mechanism design, also be not easy to take place the screens phenomenon, rotate very flexible light and handy, safeguard also very convenient, and, regulate the opening speed of flexible blade guard by regulating the gear ratio of rack and pinion, improved the cutting machine overall mechanical properties greatly.
Description of drawings
The stereogram of the flexible blade guard device of Fig. 1 cutting machine;
The structure cutaway view of the flexible blade guard device of Fig. 2 cutting machine (lifting location status on the cutting head);
The structure cutaway view of the flexible blade guard device of Fig. 3 cutting machine (cutting head centre position state);
The structure cutaway view of the flexible blade guard device of Fig. 4 cutting machine (cutting head depressed position state);
The structure cutaway view of Fig. 5 flexible blade guard assembly.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Anticipate as shown in the figure, the flexible blade guard device of this kind cutting machine, it includes critical pieces such as fixed blade guard 2 on the cutting head position that is fixed on cutting machine, flexible blade guard 1, pull bar 4, gear 8, spring, fixed head 10, fixed blade guard 2 is connected with rocking arm 7 on the cutting machine by turning cylinder 15, and the lower end of rocking arm 7 and support position are connected and fixed.Flexible blade guard 1 is from going up and fixed blade guard 2 relative bondings down, be rotatably connected to simultaneously on the fixed blade guard 2, its invention part is that described flexible blade guard 1 is provided with gear 8 at its rotatable connecting portion, and by inserts 13 and stop nut 12, pad 11 is fastened on the fixed head 10, fixed head 10 is being fixed on the fixed blade guard 2 by securing member such as screw, see Fig. 5,2, simultaneously, flexible blade guard 1 has the concavo-convex location structure that cooperatively interacts between the contact-making surface of its connecting portion and gear 8, described concavo-convex location structure is the ring section 14 that adopts annular distribution, generally speaking, flexible blade guard 1 is coaxial connections with fixed blade guard 2, make them keep coaxial core to install, can make the action that rotates between flexible blade guard and the fixed cover by the stop nut structure like this.For flexible blade guard is resetted easily, have connecting hole between gear 8 and the fixed head 10, be connected with back-moving spring between them, this spring does not draw among Fig. 5.The sidepiece of fixed blade guard 2 is fixedly connected with rotary pull bar 4, the position, upper end of pull bar 4 forms tooth bar 3, reasonable design is that tooth bar 3 is designed to arc-shaped rack, this tooth bar 3 meshes with above-mentioned gear 8, the lower end of pull bar 4 has open slot 5, open slot 5 bottoms are circular arc, it with rocking arm on alignment pin 6 peg graft and cooperate.In order to prevent that in use tooth bar splits away off from gear, described tooth bar 3 is made its uppermost tooth to cooperate with gear and is carried out spacing latch 17, and it can effectively prevent to break away from the extreme position rack and pinion and come.Flexible blade guard 1 adopts transparent flexible blade guard, observes the saw blade 9 of the inside to make things convenient for the user.
Its course of work is as follows: off working state at ordinary times, and flexible blade guard 1 resets under the resilient force of spring, makes flexible blade guard 1 be in closure state and locking, as schematically shown in Figure 2; In the time will coming cutting material 16 with cutting machine, unlock with hand, press cutting head then downwards by handle, cutting head is rotated, fixed blade guard 2 on the cutting head also rotates naturally, fixed blade guard 2 rotates, because pull bar 4 is to be rotatably mounted on the fixed blade guard 2, its lower ending opening groove 5 cooperates with alignment pin 6 on the rocking arm, pull bar 4 above it is produced with respect to the tie point of fixed blade guard 2 to clockwise rotate, clockwise rotating of pull bar 4, be connected with a joggle with gear 8 by its upper end tooth bar 4, driving flexible blade guard 1 also progressively rotates counterclockwise, flexible blade guard 1 is opened gradually, as schematically shown in Figure 3, press down up to the cutting head of cutting machine and to put in place, flexible blade guard 1 is opened fully, make the spring rolling-in of flexible blade guard inboard get up to have saved energy simultaneously, as schematically shown in Figure 4, when not needing cutting material, as long as openhanded opened handle, under the effect of spring power, give off energy, make gear 8 that reverse rotation take place, drive flexible blade guard 1 and reset at leisure, on closure, because the tooth bar 3 on gear 8 and the pull bar is connected with a joggle, fixed blade guard and cutting head are also resetted as before gradually simultaneously, see Fig. 2.When generation production and processings such as the parts of controlling organization such as gear, tooth bar, pull bars or when installing deviation and flexible blade guard can not be opened and closed put in place, as long as regulate the engagement initial position of tooth bar 3 and gear 8, eliminate these deviations, flexible blade guard 1 is reached open and close the requirement that puts in place.
Claims (10)
1, a kind of flexible blade guard device of cutting machine, it includes fixed blade guard (2) and flexible blade guard (1) on the cutting head position that is fixed on cutting machine, flexible blade guard (1) is from going up and fixed blade guard (2) relative bonding down, be rotatably connected to simultaneously on the fixed blade guard (2), it is characterized in that described flexible blade guard (1) is provided with gear (8) at its rotatable connecting portion, sidepiece at fixed blade guard is fixedly connected with rotary pull bar (4) simultaneously, the position, upper end of pull bar forms tooth bar (3), described tooth bar (3) meshes with gear (8), the lower end of pull bar has open slot (5), and pegging graft with the last alignment pin (6) of rocking arm (7) cooperates.
2, flexible blade guard device according to claim 1 is characterized in that described tooth bar (3) is to adopt arc-shaped rack.
3, flexible blade guard device according to claim 1 and 2 is characterized in that described flexible blade guard (1) and coaxial connection of fixed blade guard (2).
4, flexible blade guard device according to claim 3, it is characterized in that described tooth bar (3) is made its uppermost tooth to cooperate with gear (8) carries out spacing latch (17).
5, flexible blade guard device according to claim 4 is characterized in that described open slot (5) bottom is a circular arc.
6, flexible blade guard device according to claim 5, it is characterized in that described flexible blade guard (1) connects this gear (8) in the inboard of its connecting portion, and being connected and fixed fixed head (10) by inserts (13) and stop nut (12), pad (11), fixed head (10) is being fixed on by securing member on the fixed blade guard (2).
7, flexible blade guard device according to claim 6 is characterized in that described flexible blade guard (1) has the concavo-convex location structure that cooperates at its connecting portion with the contact-making surface of gear (8).
8, flexible blade guard device according to claim 7 is characterized in that described concavo-convex location structure adopts the ring section (14) of annular distribution.
9, flexible blade guard device according to claim 8 is characterized in that being connected with back-moving spring between described gear (8) and the fixed head (10).
10, flexible blade guard device according to claim 9 is characterized in that described flexible blade guard (1) adopts transparent flexible blade guard.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101084241A CN100519064C (en) | 2003-11-05 | 2003-11-05 | Flexible protective cover apparatus of cutter |
| US10/840,811 US20050098010A1 (en) | 2003-07-30 | 2004-05-07 | Electric miter saw |
| EP05023262A EP1625906B1 (en) | 2003-11-05 | 2004-11-05 | An electric miter saw |
| DE602004006357T DE602004006357T2 (en) | 2003-11-05 | 2004-11-05 | Electric miter saw |
| EP20040026272 EP1533064B1 (en) | 2003-11-05 | 2004-11-05 | An electric miter saw |
| DE602004006512T DE602004006512T2 (en) | 2003-11-05 | 2004-11-05 | Electric miter saw |
| US11/633,217 US7752950B2 (en) | 2003-07-30 | 2006-12-04 | Electric miter saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101084241A CN100519064C (en) | 2003-11-05 | 2003-11-05 | Flexible protective cover apparatus of cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1613603A true CN1613603A (en) | 2005-05-11 |
| CN100519064C CN100519064C (en) | 2009-07-29 |
Family
ID=34758593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101084241A Expired - Fee Related CN100519064C (en) | 2003-07-30 | 2003-11-05 | Flexible protective cover apparatus of cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100519064C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101085477B (en) * | 2006-06-09 | 2011-01-12 | 苏州宝时得电动工具有限公司 | Cutter |
| CN102814700A (en) * | 2012-09-22 | 2012-12-12 | 无锡华联精工机械有限公司 | Milling cover structure for circular-seam back-chipping edge milling machine |
| CN101535002B (en) * | 2006-11-13 | 2014-10-08 | 罗伯特·博世有限公司 | protective hood securing device |
| CN105173830A (en) * | 2015-08-28 | 2015-12-23 | 广州通泽机械有限公司 | Rolling press roller safety hood structure and safety hood adjusting method |
| CN105382143A (en) * | 2015-12-28 | 2016-03-09 | 唐花女 | Cable cut-off device provided with visible window and capable of guiding chippings |
| CN105881676A (en) * | 2016-06-13 | 2016-08-24 | 中国建筑第二工程局有限公司 | Protection device and circular saw with protection function |
| CN107498662A (en) * | 2017-06-20 | 2017-12-22 | 邯郸市恒工冶金机械有限公司 | A kind of adjusting means for cutting protective cover |
| CN110883874A (en) * | 2019-11-29 | 2020-03-17 | 四川师范大学 | Processing equipment for cloud carving lacquer ware |
| CN111151803A (en) * | 2020-01-11 | 2020-05-15 | 田镜扬 | Cutting machine with variable pitch adjustment |
| CN112122676A (en) * | 2020-09-17 | 2020-12-25 | 江西吉事达厨房用品有限公司 | Aluminum alloy ex-trusions cutting process protection architecture |
-
2003
- 2003-11-05 CN CNB2003101084241A patent/CN100519064C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101085477B (en) * | 2006-06-09 | 2011-01-12 | 苏州宝时得电动工具有限公司 | Cutter |
| CN101535002B (en) * | 2006-11-13 | 2014-10-08 | 罗伯特·博世有限公司 | protective hood securing device |
| CN102814700A (en) * | 2012-09-22 | 2012-12-12 | 无锡华联精工机械有限公司 | Milling cover structure for circular-seam back-chipping edge milling machine |
| CN105173830A (en) * | 2015-08-28 | 2015-12-23 | 广州通泽机械有限公司 | Rolling press roller safety hood structure and safety hood adjusting method |
| CN105382143A (en) * | 2015-12-28 | 2016-03-09 | 唐花女 | Cable cut-off device provided with visible window and capable of guiding chippings |
| CN105881676A (en) * | 2016-06-13 | 2016-08-24 | 中国建筑第二工程局有限公司 | Protection device and circular saw with protection function |
| CN107498662A (en) * | 2017-06-20 | 2017-12-22 | 邯郸市恒工冶金机械有限公司 | A kind of adjusting means for cutting protective cover |
| CN110883874A (en) * | 2019-11-29 | 2020-03-17 | 四川师范大学 | Processing equipment for cloud carving lacquer ware |
| CN111151803A (en) * | 2020-01-11 | 2020-05-15 | 田镜扬 | Cutting machine with variable pitch adjustment |
| CN112122676A (en) * | 2020-09-17 | 2020-12-25 | 江西吉事达厨房用品有限公司 | Aluminum alloy ex-trusions cutting process protection architecture |
| CN112122676B (en) * | 2020-09-17 | 2021-09-07 | 江西吉事达厨房用品有限公司 | Aluminum alloy ex-trusions cutting process protection architecture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100519064C (en) | 2009-07-29 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Yangming Electric Tool Co., Ltd. Assignor: Hu Guiqiang Contract record no.: 2011330000315 Denomination of invention: Flexible protective cover apparatus of cutter Granted publication date: 20090729 License type: Exclusive License Open date: 20050511 Record date: 20110420 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20121105 |